From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
List of engine component part numbers and modifications.
| Identifier | ExFiles\Box 169\1\ img184 | |
| Date | 22th June 1931 | |
| -2- RHC{R. H. Coverley - Production Engineer}/WCS/IS .22.6.31. Valves & Fittings to IOP.E.78569. E.78492 Inlet Valves (S/SIV.) E.78493 Exhaust Valves(S/SIV.) E.80240 Valve Springs. Inlet Pipes to IOP. E.80311. Carburetter to IOP.E.80530. Camshaft & Bearings to IOP.E.78987. The following New details fitted to suit A.C. Petrol Pump - Scheme 1480.- E.82201 Camshaft Gear - replaces E.78556. E.82210 Support Plate. Magneto & Dynamo Drive to IOP.E.79067. Water Pump Drive & Throttle Governor to IOP.E.78978. Idler Gear to IOP. E.77658. Ignition Governor to IOP.E.78992. Extra Cylinder Lubrication to IOP.E.80468. Water Pump to IOP.E.79093. Oil Pump to IOP.E.82081. Wheelcase & Fittings to LeC.2911. E.82240 Wheelcase, incorporating LeC.2911.- Diamond Engine Mounting.- E.82245 Engine Suspension Arm. E.82246 Bracket - Suspension Arm. -cont'd- | ||